Uploaded November 2022 | Updated September 2026, 45 minutes ago

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Link to donate:
paypal.me/Richodonate

This video looks more deeply into the functions of the valve body.

Link to folder containing Photoshop file of valve body layers as well as valve images.
drive.google.com/drive/folders/1HIF4qJLjKis-3C6ypgM-T5TjexzD8H9j?usp=share_link